diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,3 +6,6 @@
 Rewritten from the dobutokO2 package using arrays and lists based functionality instead of vector based one. Added some new 
 functions, removed some functions. 
 
+## 0.1.1.0 -- 2021-22-02
+
+* First version revised A. Fixed issue with BangPatterns extension not being enabled.
diff --git a/Composition/Sound/DIS5G6G.hs b/Composition/Sound/DIS5G6G.hs
--- a/Composition/Sound/DIS5G6G.hs
+++ b/Composition/Sound/DIS5G6G.hs
@@ -9,6 +9,7 @@
 -- It can also generate a timbre for the notes. Uses SoX inside.
 
 {-# OPTIONS_GHC -threaded #-}
+{-# LANGUAGE BangPatterns #-}
 
 module Composition.Sound.DIS5G6G (
   -- ** Auxiliary functions
diff --git a/algorithmic-composition-basic.cabal b/algorithmic-composition-basic.cabal
--- a/algorithmic-composition-basic.cabal
+++ b/algorithmic-composition-basic.cabal
@@ -2,7 +2,7 @@
 -- documentation, see http://haskell.org/cabal/users-guide/
 
 name:                algorithmic-composition-basic
-version:             0.1.0.0
+version:             0.1.1.0
 synopsis:            Helps to create experimental music from a file (or its part) and a Ukrainian text.
 description:         It can also generate a timbre for the notes. Uses SoX inside.
 homepage:            https://hackage.haskell.org/package/algorithmic-composition-basic